High speed development technique

Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...

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118653, 355 3DD, G03G 1508

Patent

active

040361756

ABSTRACT:
To develop a latent image, which exists in the form of different potential values on different areas of a substrate, an auxiliary substrate is coated with toner by charging the toner triboelectrically and applying a potential to propel the charged toner onto the auxiliary substrate. This toner-coated substrate is brought into close proximity with the image forming substrate, while being maintained at a potential which lies between the different potential values of the latent image.

REFERENCES:
patent: 3405682 (1968-10-01), King et al.
patent: 3929098 (1975-12-01), Liebman
patent: 3941084 (1976-03-01), Kurita
patent: 3965862 (1976-06-01), Yang

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